package cn.laixueit;

public class Demo {

    //等级 1 -3 ， 2 - 5 ，3 -7

    /*public static void main(String[] args) {
        char chars[] = {'a','b','c','d','f','g','h','j','k','l','q','w','e','t','r','y','u','i','o'
        ,'p','s','z','x','v','n','m'};
//        String ranStr = "";
        StringBuffer sb = new StringBuffer();
        for(int i =0;i<5;i++) {
            int index = (int) (Math.random() * 26);
//            ranStr+=chars[index];
            sb.append(chars[index]);
        }
        System.out.println(sb);
    }*/

    /*public static void main(String[] args) {
//        System.out.println((char)(Math.random()*26+97));
        long l = System.currentTimeMillis();
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < 100000; i++) {
            sb.append((char)(Math.random()*26+97));
        }
        System.out.println(sb);
        long endTime = System.currentTimeMillis();
        System.out.println(endTime-l);
    }
*/

    public static void main(String[] args) {
        new Player().play();
    }
}
